Well-screen.



M. J. TRUWBLE.

WELL SCREEN.

APPLICATION' mm emv/31. i916.

PEILON J. TRUMBLE, F ALHAMBRA, CALIFORNIAASSIGNOR '.10 MCEVY WIRELESS WELL STRAINER FORMIA.

oo., or Los ANGELES, CALIFORNIA, acoaroaa'rron or CALI- WELL-sonneri. y

Specification of Letters Patent. Patented D99, 26, 1916,

Application tiled.` May 31, 1916. Serial'No. 106,987.

To all whom t may concern:

Be it known that I, MrLoN J. TRUMBLE, a citizen of the United States, residing at Alhambra,`in thef county of Los Angeles and State of California, have invented a new and useful Well-Screen, of which the following is a specification.

` My'invention relates to the art of pumping oil or water from the ground, and parused'from the action of foreign matter.

ticularly to the art offprotecting the pumps The principal object of my' invention is per edge 15, its' lower edge 16, and along a to provide a well screen rwhich may be se' cured around a pipe projecting into a well or sump, for the purpose of screenin or straining out large particles of san or gravel which would otherwise ass into the interior of the pipe and impe e the action of theA pump, or cause excessive wear thereon.

In the drawings, which are for illustrative purposes only: Figure -1 shows an elevation of the lower portion of a pump co1- umn equipped with my invention, a portion of the jacket being broken away to better illustrate the internal structure. Fig. 2 shows a view on an enlarged scale ofl one set of perforations. l

In theform of. the invention illustrated in the drawings, a pipe column 11 is provided with a plurality of round holes 12, these holes being preferably'r drilled in standard or eXtra heavy pipeatregular intervals therearound. Securedv`lv around the column steel jacket 13, this jacket having a series of series of narrow slots 14 cut therein, each of these series being so placed as to exactly cover or register with one ofthe holes 12.

In practice, the column 11 will consist of ordinary steel pipe, and the jacket 13 will be of thin galvanized iron, or some similar material. The jacket 13 may be secured by various means, such asrivets or by means 11, by any convenientfgmeans, is a 'edges welded to said a series seam 17 The jacket can also be secured by a series of spot welds produced electrically at various points between the jacket 13 and the pump column 1l.

I claim as my invention 1l A well screen comprising a pipe having circular perforations therein, and a thin sheet metal jacket secured to said pipe and provided witha series of series of narrow slotted openings, each of said series being so placed as to register with one of said circular perforations ,in .said pipe.

2. A well screen comprising a pipe having circular perforations therein, and 'a thin sheet metal jacket formed of a single sheet of metal bent around and secured to said pipe and provided with afseries of series of narrow slotted openings, each ofsai'd series being so placed as to registe .with one of said circular perforations in said pipe.

3. A well screen comprising a, pipe having circular' perforations therein, and a thin sheet metal japket secured by having its pipe and provided with I" series of narrow slotted openings, each of said series being so placed as to register vwith one of said circular perforations in said pipe.

4. A well screen comprising a pipe hav- 1 ing circular perforations therein, and a thin sheet metal jacket formed' of a single sheet of metal bent around and secured by having its edges welded to said pipe and provided with a series of series of 'narrow slotted openings, each of said series being so placed as to register with one of said circular perforations in said pipe.

In testimony whereof, I have hereunto set my hand atIios Angeles, California, this 24th day of May, 1916. 1

MILON J. TRUMBLE. 

